From: Anand Avati <avati@xxxxxxxxxx>
Drop a subtree when we find that it has moved or been delated. This can be
done as long as there are no submounts under this location.
If the directory was moved and we come across the same directory in a
future lookup it will be reconnected by d_materialise_unique().
Signed-off-by: Anand Avati <avati@xxxxxxxxxx>
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
---
fs/fuse/dir.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 131d14b..4ba5893 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -226,8 +226,13 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
if (!err) {
struct fuse_inode *fi = get_fuse_inode(inode);
if (outarg.nodeid != get_node_id(inode)) {
+ int ret = 0;
+
+ if (check_submounts_and_drop(entry) != 0)
+ ret = 1;
+
fuse_queue_forget(fc, forget, outarg.nodeid, 1);
- return 0;
+ return ret;
}
spin_lock(&fc->lock);
fi->nlookup++;
--
1.8.1.4
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